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Finding the Fourth Proportional to 550,056.40, 825,230.40 and 195,033.40

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Solution

The fourth proportional to 550,056.40, 825,230.40 and 195,033.40 is: 292,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,056.40 : 825,230.40 = 195,033.40 : x
  2. Step 2: Convert to fraction form
    550,056.40/825,230.40 = 195,033.40/x
  3. Step 3: Cross multiply
    550,056.40x = 825,230.40 × 195,033.40
  4. Step 4: Simplify right side
    550,056.40x = 160,947,490,695.36
  5. Step 5: Solve for x
    x = 160,947,490,695.36/550,056.40
  6. Step 6: Final answer
    x = 292,601.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.